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11020220122 = 28961911349
BaseRepresentation
bin10100100001101101…
…10011011011011010
31001110000111012000211
422100312303123122
5140032134020442
65021305321334
7540043216432
oct122066633332
931400435024
1011020220122
11474569953a
12217679624a
131068187012
147678552c2
15447735617
hex290db36da

11020220122 has 8 divisors (see below), whose sum is σ = 16716064500. Its totient is φ = 5448198624.

The previous prime is 11020220117. The next prime is 11020220129. The reversal of 11020220122 is 22102202011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9838854481 + 1181365641 = 99191^2 + 34371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11020220129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30955497 + ... + 30955852.

Almost surely, 211020220122 is an apocalyptic number.

11020220122 is a deficient number, since it is larger than the sum of its proper divisors (5695844378).

11020220122 is an equidigital number, since it uses as much as digits as its factorization.

11020220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61911440.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11020220122 its reverse (22102202011), we get a palindrome (33122422133).

The spelling of 11020220122 in words is "eleven billion, twenty million, two hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 89 178 61911349 123822698 5510110061 11020220122